Corner protector



FIG. 1 is a top, front perspective view of a corner protector showing my new design;

FIG. 2 is an inverted bottom, rear perspective view thereof;

FIG. 3 is a right side elevational view thereof, the left side being a mirror image;

FIG. 4 is a bottom plan view thereof. 

The ornamental design for a corner protector, as shown and described. 